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Finding the Fourth Proportional to 539,453.82, 808,922.28 and 254,907.56

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Solution

The fourth proportional to 539,453.82, 808,922.28 and 254,907.56 is: 382,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,453.82 : 808,922.28 = 254,907.56 : x
  2. Step 2: Convert to fraction form
    539,453.82/808,922.28 = 254,907.56/x
  3. Step 3: Cross multiply
    539,453.82x = 808,922.28 × 254,907.56
  4. Step 4: Simplify right side
    539,453.82x = 206,200,404,624.44
  5. Step 5: Solve for x
    x = 206,200,404,624.44/539,453.82
  6. Step 6: Final answer
    x = 382,239.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.